KH

Koichi Hachiya

Nsk: 7 patents #221 of 1,559Top 15%
KC Kyodo Yushi Co.: 1 patents #63 of 191Top 35%
NC Nippon Seiko Co.: 1 patents #121 of 315Top 40%
Overall (All Time): #628,254 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10890575 Lubricant deterioration detection device and lubricant deterioration state evaluation method Takenobu Inaba, Taisuke MARUYAMA 2021-01-12
7811002 Rolling device Shinji Fujita, Hiroyuki Uchida, Yasuo Murakami, Daiju Takahashi 2010-10-12
6689721 Conductive grease and rolling apparatus packed with the same Katsuaki Denpo, Atsushi Yokouchi, Michiharu Naka, Tooru Shouda, Hideki Koizumi 2004-02-10
6612746 Rolling apparatus having surface-treated rolling member Dai Kinno 2003-09-02
6589918 Conductive grease and rolling apparatus packed with the same Katsuaki Denpo, Atsushi Yokouchi, Michiharu Naka, Tooru Shouda, Hideki Koizumi 2003-07-08
6482779 Lubricating grease composition and rolling apparatus comprising same Michiharu Naka, Atsushi Yokouchi, Toru Takamizawa, Jun Kuraishi, Yasunobu Fujita +3 more 2002-11-19
5927865 Rolling apparatus Hiroyuki Ito 1999-07-27
5252391 Surface treated sliding or rolling contact element and rolling bearing Masami Sasaki 1993-10-12